Don’t cache content of “about:” pages

3 files changed, 16 insertions, 1 deletions

diff --git a/src/gmutil.c b/src/gmutil.c
index a919d621..2138caa3 100644
--- a/src/gmutil.c
+++ b/src/gmutil.c
@@ -88,6 +88,12 @@ void cleanUrlPath_String(iString *d) {
     deinit_String(&clean);
 }
 
+iRangecc urlProtocol_String(const iString *d) {
+    iUrl url;
+    init_Url(&url, d);
+    return url.protocol;
+}
+
 iRangecc urlHost_String(const iString *d) {
     iUrl url;
     init_Url(&url, d);
diff --git a/src/gmutil.h b/src/gmutil.h
index 8dda84d0..9e8c5934 100644
--- a/src/gmutil.h
+++ b/src/gmutil.h
@@ -70,6 +70,7 @@ struct Impl_Url {
 
 void            init_Url                (iUrl *, const iString *text);
 
+iRangecc        urlProtocol_String      (const iString *);
 iRangecc        urlHost_String          (const iString *);
 const iString * absoluteUrl_String      (const iString *, const iString *urlMaybeRelative);
 iString *       makeFileUrl_String      (const iString *localFilePath);
diff --git a/src/ui/documentwidget.c b/src/ui/documentwidget.c
index d425b8a9..891e7650 100644
--- a/src/ui/documentwidget.c
+++ b/src/ui/documentwidget.c
@@ -595,6 +595,9 @@ static iBool updateFromHistory_DocumentWidget_(iDocumentWidget *d) {
         postCommandf_App("document.changed doc:%p url:%s", d, cstr_String(d->mod.url));
         return iTrue;
     }
+    else if (!isEmpty_String(d->mod.url)) {
+        fetch_DocumentWidget_(d);
+    }
     return iFalse;
 }
 
@@ -956,7 +959,12 @@ static iBool handleCommand_DocumentWidget_(iDocumentWidget *d, const char *cmd)
         checkResponse_DocumentWidget_(d);
         d->scrollY = d->initialNormScrollY * size_GmDocument(d->doc).y;
         d->state = ready_RequestState;
-        setCachedResponse_History(d->mod.history, response_GmRequest(d->request));
+        /* The response may be cached. */ {
+            const iRangecc proto = urlProtocol_String(d->mod.url);
+            if (!equal_Rangecc(&proto, "about")) {
+                setCachedResponse_History(d->mod.history, response_GmRequest(d->request));
+            }
+        }
         iReleasePtr(&d->request);
         updateVisible_DocumentWidget_(d);
         postCommandf_App("document.changed url:%s", cstr_String(d->mod.url));